Large-diameter ball valves are specialized valves designed for long-distance pipeline systems. They are critical for controlling high-pressure, high-flow fluid systems and are typically installed in pipelines to regulate or shut off the flow. Before exploring large-diameter forged steel soft-seated ball valves, let us first clarify the criteria for defining “large-diameter.” Small bore Nominal size ≤ […]
In marine engineering, offshore platforms, and seawater systems, valves operate in a unique environment. Seawater, salt spray, high humidity, and continuous operation cycles combine to create a long-term service environment. In this context, a frequently overlooked fact is that the greatest enemy of marine operations is not pressure, but time. 01 Marine operational issues never […]
Valves play a vital role in modern production and daily life, serving everything from mild operating conditions to extreme industrial environments. Cryogenic valves are primarily used in applications such as ethylene plants, liquefied natural gas (LNG) facilities, natural gas/LPG/LNG storage tanks and receiving terminals, air separation units, and petrochemical tail-gas separation equipment. However, cryogenic media—such as ethylene, liquid […]
Cryogenic valves are typically used to handle extremely low temperatures and often high pressures, such as liquefied natural gas, liquid oxygen, and liquid hydrogen. Cryogenic valve testing is a crucial step in ensuring their safe, reliable, and efficient operation under extreme conditions. In actual production, we sometimes encounter situations where rigorously tested cryogenic valves leak as soon as […]
Valves are control components in fluid transportation systems, with functions such as shutting off, regulating, diverting flow, preventing backflow, stabilizing pressure, branching, or relieving overflow. In general, most valves close clockwise and open counterclockwise, or you could say left to open, right to close. Let’s first go over some basic valve operation knowledge: since most […]
The flow rate and velocity of a valve mainly depend on the valve diameter, are also related to the resistance of the valve’s structure to the medium, and are intrinsically related to factors such as valve pressure, temperature, and medium concentration. What exactly is the relationship between the two? The flow channel area of a […]
